JPS5633025B2 - - Google Patents
Info
- Publication number
- JPS5633025B2 JPS5633025B2 JP11148975A JP11148975A JPS5633025B2 JP S5633025 B2 JPS5633025 B2 JP S5633025B2 JP 11148975 A JP11148975 A JP 11148975A JP 11148975 A JP11148975 A JP 11148975A JP S5633025 B2 JPS5633025 B2 JP S5633025B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50111489A JPS5235505A (en) | 1975-09-12 | 1975-09-12 | Testing method of subscriber line |
| US05/721,216 US4076971A (en) | 1975-09-12 | 1976-09-08 | Subscriber line testing system |
| CA260,828A CA1054275A (en) | 1975-09-12 | 1976-09-09 | Subscriber line testing system including exchange semiconductor cross point switching |
| DE19762640805 DE2640805A1 (de) | 1975-09-12 | 1976-09-10 | Teilnehmerleitungs-pruefeinrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50111489A JPS5235505A (en) | 1975-09-12 | 1975-09-12 | Testing method of subscriber line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5235505A JPS5235505A (en) | 1977-03-18 |
| JPS5633025B2 true JPS5633025B2 (cg-RX-API-DMAC10.html) | 1981-07-31 |
Family
ID=14562553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50111489A Granted JPS5235505A (en) | 1975-09-12 | 1975-09-12 | Testing method of subscriber line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5235505A (cg-RX-API-DMAC10.html) |
-
1975
- 1975-09-12 JP JP50111489A patent/JPS5235505A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5235505A (en) | 1977-03-18 |